US Bridges

I 10 over SR 609

Good

Jackson County, Mississippi · I 10 over SR 609 · Structure no. 11000100300515B

Built
1970
55 years old, rebuilt 2011
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
2 main spans
Daily traffic
39,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 10 over SR 609 is a prestressed concrete stringer/multi-beam or girder carrying I 10 over SR 609 in Jackson County, Mississippi. It was built in 1970 and reconstructed in 2011, so it is 55 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,500 vehicles a day, roughly 15% of them trucks, projected to reach 39,500 by 2043. The structure is 300 ft (91.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 10
CrossesSR 609
LocationI 10 over SR 609
RouteInterstate 10
Coordinates30.45405, -88.84334
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating34.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length300 ft (91.4 m)
Longest span80 ft (24.4 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2023)
Projected traffic39,500 by 2043
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 10 over SR 609 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2011.

What condition is I 10 over SR 609 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does I 10 over SR 609 carry?

About 39,500 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I 10 over SR 609?

The structure is 300 ft (91.4 m) long with a longest span of 80 ft (24.4 m) and a deck 62 ft wide.

Who owns I 10 over SR 609?

It is owned by the State Highway Agency.